33243615493 has 16 divisors (see below), whose sum is σ = 36359052480. Its totient is φ = 30143836800.

The previous prime is 33243615479. The next prime is 33243615521. The reversal of 33243615493 is 39451634233.

It is not a de Polignac number, because 33243615493 - 2²¹ = 33241518341 is a prime.

It is a super-2 number, since 2×33243615493² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33243615403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9370546 + ... + 9374092.

It is an arithmetic number, because the mean of its divisors is an integer number (2272440780).

Almost surely, 2^33243615493 is an apocalyptic number.

It is an amenable number.

33243615493 is a deficient number, since it is larger than the sum of its proper divisors (3115436987).

33243615493 is a wasteful number, since it uses less digits than its factorization.

33243615493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508.

The product of its digits is 699840, while the sum is 43.

The spelling of 33243615493 in words is "thirty-three billion, two hundred forty-three million, six hundred fifteen thousand, four hundred ninety-three".